ICD-10-CM category
S04: Injury of cranial nerve
Codes under S04 (Injury of cranial nerve). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| S04.0 | Injury of optic nerve and pathways | — |
| S04.0 | Injury of optic nerve and pathways | — |
| S04.01 | Injury of optic nerve | — |
| S04.01 | Injury of optic nerve | — |
| S04.1 | Injury of oculomotor nerve | — |
| S04.1 | Injury of oculomotor nerve | — |
| S04.02 | Injury of optic chiasm | — |
| S04.02 | Injury of optic chiasm | — |
| S04.2 | Injury of trochlear nerve | — |
| S04.2 | Injury of trochlear nerve | — |
| S04.02XA | Injury of optic chiasm, initial encounter | ✓ |
| S04.02XA | Injury of optic chiasm, initial encounter | ✓ |
| S04.02XD | Injury of optic chiasm, subsequent encounter | ✓ |
| S04.02XD | Injury of optic chiasm, subsequent encounter | ✓ |
| S04.02XS | Injury of optic chiasm, sequela | ✓ |
| S04.02XS | Injury of optic chiasm, sequela | ✓ |
| S04.03 | Injury of optic tract and pathways | — |
| S04.03 | Injury of optic tract and pathways | — |
| S04.3 | Injury of trigeminal nerve | — |
| S04.3 | Injury of trigeminal nerve | — |
| S04.04 | Injury of visual cortex | — |
| S04.04 | Injury of visual cortex | — |
| S04.4 | Injury of abducent nerve | — |
| S04.4 | Injury of abducent nerve | — |
| S04.5 | Injury of facial nerve | — |
| S04.5 | Injury of facial nerve | — |
| S04.6 | Injury of acoustic nerve | — |
| S04.6 | Injury of acoustic nerve | — |
| S04.7 | Injury of accessory nerve | — |
| S04.7 | Injury of accessory nerve | — |
| S04.8 | Injury of other cranial nerves | — |
| S04.8 | Injury of other cranial nerves | — |
| S04.9 | Injury of unspecified cranial nerve | — |
| S04.9 | Injury of unspecified cranial nerve | — |
| S04.9XXA | Injury of unspecified cranial nerve, initial encounter | ✓ |
| S04.9XXA | Injury of unspecified cranial nerve, initial encounter | ✓ |
| S04.9XXD | Injury of unspecified cranial nerve, subsequent encounter | ✓ |
| S04.9XXD | Injury of unspecified cranial nerve, subsequent encounter | ✓ |
| S04.9XXS | Injury of unspecified cranial nerve, sequela | ✓ |
| S04.9XXS | Injury of unspecified cranial nerve, sequela | ✓ |
| S04.10 | Injury of oculomotor nerve, unspecified side | — |
| S04.10 | Injury of oculomotor nerve, unspecified side | — |
| S04.10XA | Injury of oculomotor nerve, unspecified side, initial encounter | ✓ |
| S04.10XA | Injury of oculomotor nerve, unspecified side, initial encounter | ✓ |
| S04.10XD | Injury of oculomotor nerve, unspecified side, subsequent encounter | ✓ |
| S04.10XD | Injury of oculomotor nerve, unspecified side, subsequent encounter | ✓ |
| S04.10XS | Injury of oculomotor nerve, unspecified side, sequela | ✓ |
| S04.10XS | Injury of oculomotor nerve, unspecified side, sequela | ✓ |
| S04.011 | Injury of optic nerve, right eye | — |
| S04.011 | Injury of optic nerve, right eye | — |
| S04.11 | Injury of oculomotor nerve, right side | — |
| S04.11 | Injury of oculomotor nerve, right side | — |
| S04.011A | Injury of optic nerve, right eye, initial encounter | ✓ |
| S04.011A | Injury of optic nerve, right eye, initial encounter | ✓ |
| S04.011D | Injury of optic nerve, right eye, subsequent encounter | ✓ |
| S04.011D | Injury of optic nerve, right eye, subsequent encounter | ✓ |
| S04.011S | Injury of optic nerve, right eye, sequela | ✓ |
| S04.011S | Injury of optic nerve, right eye, sequela | ✓ |
| S04.11XA | Injury of oculomotor nerve, right side, initial encounter | ✓ |
| S04.11XA | Injury of oculomotor nerve, right side, initial encounter | ✓ |
| S04.11XD | Injury of oculomotor nerve, right side, subsequent encounter | ✓ |
| S04.11XD | Injury of oculomotor nerve, right side, subsequent encounter | ✓ |
| S04.11XS | Injury of oculomotor nerve, right side, sequela | ✓ |
| S04.11XS | Injury of oculomotor nerve, right side, sequela | ✓ |
| S04.012 | Injury of optic nerve, left eye | — |
| S04.012 | Injury of optic nerve, left eye | — |
| S04.12 | Injury of oculomotor nerve, left side | — |
| S04.12 | Injury of oculomotor nerve, left side | — |
| S04.012A | Injury of optic nerve, left eye, initial encounter | ✓ |
| S04.012A | Injury of optic nerve, left eye, initial encounter | ✓ |
| S04.012D | Injury of optic nerve, left eye, subsequent encounter | ✓ |
| S04.012D | Injury of optic nerve, left eye, subsequent encounter | ✓ |
| S04.012S | Injury of optic nerve, left eye, sequela | ✓ |
| S04.012S | Injury of optic nerve, left eye, sequela | ✓ |
| S04.12XA | Injury of oculomotor nerve, left side, initial encounter | ✓ |
| S04.12XA | Injury of oculomotor nerve, left side, initial encounter | ✓ |
| S04.12XD | Injury of oculomotor nerve, left side, subsequent encounter | ✓ |
| S04.12XD | Injury of oculomotor nerve, left side, subsequent encounter | ✓ |
| S04.12XS | Injury of oculomotor nerve, left side, sequela | ✓ |
| S04.12XS | Injury of oculomotor nerve, left side, sequela | ✓ |
| S04.019 | Injury of optic nerve, unspecified eye | — |
| S04.019 | Injury of optic nerve, unspecified eye | — |
| S04.019A | Injury of optic nerve, unspecified eye, initial encounter | ✓ |
| S04.019A | Injury of optic nerve, unspecified eye, initial encounter | ✓ |
| S04.019D | Injury of optic nerve, unspecified eye, subsequent encounter | ✓ |
| S04.019D | Injury of optic nerve, unspecified eye, subsequent encounter | ✓ |
| S04.019S | Injury of optic nerve, unspecified eye, sequela | ✓ |
| S04.019S | Injury of optic nerve, unspecified eye, sequela | ✓ |
| S04.20 | Injury of trochlear nerve, unspecified side | — |
| S04.20 | Injury of trochlear nerve, unspecified side | — |
| S04.20XA | Injury of trochlear nerve, unspecified side, initial encounter | ✓ |
| S04.20XA | Injury of trochlear nerve, unspecified side, initial encounter | ✓ |
| S04.20XD | Injury of trochlear nerve, unspecified side, subsequent encounter | ✓ |
| S04.20XD | Injury of trochlear nerve, unspecified side, subsequent encounter | ✓ |
| S04.20XS | Injury of trochlear nerve, unspecified side, sequela | ✓ |
| S04.20XS | Injury of trochlear nerve, unspecified side, sequela | ✓ |
| S04.21 | Injury of trochlear nerve, right side | — |
| S04.21 | Injury of trochlear nerve, right side | — |
| S04.21XA | Injury of trochlear nerve, right side, initial encounter | ✓ |
| S04.21XA | Injury of trochlear nerve, right side, initial encounter | ✓ |
| S04.21XD | Injury of trochlear nerve, right side, subsequent encounter | ✓ |
| S04.21XD | Injury of trochlear nerve, right side, subsequent encounter | ✓ |
| S04.21XS | Injury of trochlear nerve, right side, sequela | ✓ |
| S04.21XS | Injury of trochlear nerve, right side, sequela | ✓ |
| S04.22 | Injury of trochlear nerve, left side | — |
| S04.22 | Injury of trochlear nerve, left side | — |
| S04.22XA | Injury of trochlear nerve, left side, initial encounter | ✓ |
| S04.22XA | Injury of trochlear nerve, left side, initial encounter | ✓ |
| S04.22XD | Injury of trochlear nerve, left side, subsequent encounter | ✓ |
| S04.22XD | Injury of trochlear nerve, left side, subsequent encounter | ✓ |
| S04.22XS | Injury of trochlear nerve, left side, sequela | ✓ |
| S04.22XS | Injury of trochlear nerve, left side, sequela | ✓ |
| S04.30 | Injury of trigeminal nerve, unspecified side | — |
| S04.30 | Injury of trigeminal nerve, unspecified side | — |
| S04.30XA | Injury of trigeminal nerve, unspecified side, initial encounter | ✓ |
| S04.30XA | Injury of trigeminal nerve, unspecified side, initial encounter | ✓ |
| S04.30XD | Injury of trigeminal nerve, unspecified side, subsequent encounter | ✓ |
| S04.30XD | Injury of trigeminal nerve, unspecified side, subsequent encounter | ✓ |
| S04.30XS | Injury of trigeminal nerve, unspecified side, sequela | ✓ |
| S04.30XS | Injury of trigeminal nerve, unspecified side, sequela | ✓ |
| S04.031 | Injury of optic tract and pathways, right side | — |
| S04.031 | Injury of optic tract and pathways, right side | — |
| S04.31 | Injury of trigeminal nerve, right side | — |
| S04.31 | Injury of trigeminal nerve, right side | — |
| S04.031A | Injury of optic tract and pathways, right side, initial encounter | ✓ |
| S04.031A | Injury of optic tract and pathways, right side, initial encounter | ✓ |
| S04.031D | Injury of optic tract and pathways, right side, subsequent encounter | ✓ |
| S04.031D | Injury of optic tract and pathways, right side, subsequent encounter | ✓ |
| S04.031S | Injury of optic tract and pathways, right side, sequela | ✓ |
| S04.031S | Injury of optic tract and pathways, right side, sequela | ✓ |
| S04.31XA | Injury of trigeminal nerve, right side, initial encounter | ✓ |
| S04.31XA | Injury of trigeminal nerve, right side, initial encounter | ✓ |
| S04.31XD | Injury of trigeminal nerve, right side, subsequent encounter | ✓ |
| S04.31XD | Injury of trigeminal nerve, right side, subsequent encounter | ✓ |
| S04.31XS | Injury of trigeminal nerve, right side, sequela | ✓ |
| S04.31XS | Injury of trigeminal nerve, right side, sequela | ✓ |
| S04.032 | Injury of optic tract and pathways, left side | — |
| S04.032 | Injury of optic tract and pathways, left side | — |
| S04.32 | Injury of trigeminal nerve, left side | — |
| S04.32 | Injury of trigeminal nerve, left side | — |
| S04.032A | Injury of optic tract and pathways, left side, initial encounter | ✓ |
| S04.032A | Injury of optic tract and pathways, left side, initial encounter | ✓ |
| S04.032D | Injury of optic tract and pathways, left side, subsequent encounter | ✓ |
| S04.032D | Injury of optic tract and pathways, left side, subsequent encounter | ✓ |
| S04.032S | Injury of optic tract and pathways, left side, sequela | ✓ |
| S04.032S | Injury of optic tract and pathways, left side, sequela | ✓ |
| S04.32XA | Injury of trigeminal nerve, left side, initial encounter | ✓ |
| S04.32XA | Injury of trigeminal nerve, left side, initial encounter | ✓ |
| S04.32XD | Injury of trigeminal nerve, left side, subsequent encounter | ✓ |
| S04.32XD | Injury of trigeminal nerve, left side, subsequent encounter | ✓ |
| S04.32XS | Injury of trigeminal nerve, left side, sequela | ✓ |
| S04.32XS | Injury of trigeminal nerve, left side, sequela | ✓ |
| S04.039 | Injury of optic tract and pathways, unspecified side | — |
| S04.039 | Injury of optic tract and pathways, unspecified side | — |
| S04.039A | Injury of optic tract and pathways, unspecified side, initial encounter | ✓ |
| S04.039A | Injury of optic tract and pathways, unspecified side, initial encounter | ✓ |
| S04.039D | Injury of optic tract and pathways, unspecified side, subsequent encounter | ✓ |
| S04.039D | Injury of optic tract and pathways, unspecified side, subsequent encounter | ✓ |
| S04.039S | Injury of optic tract and pathways, unspecified side, sequela | ✓ |
| S04.039S | Injury of optic tract and pathways, unspecified side, sequela | ✓ |
| S04.40 | Injury of abducent nerve, unspecified side | — |
| S04.40 | Injury of abducent nerve, unspecified side | — |
| S04.40XA | Injury of abducent nerve, unspecified side, initial encounter | ✓ |
| S04.40XA | Injury of abducent nerve, unspecified side, initial encounter | ✓ |
| S04.40XD | Injury of abducent nerve, unspecified side, subsequent encounter | ✓ |
| S04.40XD | Injury of abducent nerve, unspecified side, subsequent encounter | ✓ |
| S04.40XS | Injury of abducent nerve, unspecified side, sequela | ✓ |
| S04.40XS | Injury of abducent nerve, unspecified side, sequela | ✓ |
| S04.041 | Injury of visual cortex, right side | — |
| S04.041 | Injury of visual cortex, right side | — |
| S04.41 | Injury of abducent nerve, right side | — |
| S04.41 | Injury of abducent nerve, right side | — |
| S04.041A | Injury of visual cortex, right side, initial encounter | ✓ |
| S04.041A | Injury of visual cortex, right side, initial encounter | ✓ |
| S04.041D | Injury of visual cortex, right side, subsequent encounter | ✓ |
| S04.041D | Injury of visual cortex, right side, subsequent encounter | ✓ |
| S04.041S | Injury of visual cortex, right side, sequela | ✓ |
| S04.041S | Injury of visual cortex, right side, sequela | ✓ |
| S04.41XA | Injury of abducent nerve, right side, initial encounter | ✓ |
| S04.41XA | Injury of abducent nerve, right side, initial encounter | ✓ |
| S04.41XD | Injury of abducent nerve, right side, subsequent encounter | ✓ |
| S04.41XD | Injury of abducent nerve, right side, subsequent encounter | ✓ |
| S04.41XS | Injury of abducent nerve, right side, sequela | ✓ |
| S04.41XS | Injury of abducent nerve, right side, sequela | ✓ |
| S04.042 | Injury of visual cortex, left side | — |
| S04.042 | Injury of visual cortex, left side | — |
| S04.42 | Injury of abducent nerve, left side | — |
| S04.42 | Injury of abducent nerve, left side | — |
| S04.042A | Injury of visual cortex, left side, initial encounter | ✓ |
| S04.042A | Injury of visual cortex, left side, initial encounter | ✓ |
| S04.042D | Injury of visual cortex, left side, subsequent encounter | ✓ |
| S04.042D | Injury of visual cortex, left side, subsequent encounter | ✓ |
| S04.042S | Injury of visual cortex, left side, sequela | ✓ |
| S04.042S | Injury of visual cortex, left side, sequela | ✓ |
| S04.42XA | Injury of abducent nerve, left side, initial encounter | ✓ |
| S04.42XA | Injury of abducent nerve, left side, initial encounter | ✓ |
| S04.42XD | Injury of abducent nerve, left side, subsequent encounter | ✓ |
| S04.42XD | Injury of abducent nerve, left side, subsequent encounter | ✓ |
| S04.42XS | Injury of abducent nerve, left side, sequela | ✓ |
| S04.42XS | Injury of abducent nerve, left side, sequela | ✓ |
| S04.049 | Injury of visual cortex, unspecified side | — |
| S04.049 | Injury of visual cortex, unspecified side | — |
| S04.049A | Injury of visual cortex, unspecified side, initial encounter | ✓ |
| S04.049A | Injury of visual cortex, unspecified side, initial encounter | ✓ |
| S04.049D | Injury of visual cortex, unspecified side, subsequent encounter | ✓ |
| S04.049D | Injury of visual cortex, unspecified side, subsequent encounter | ✓ |
| S04.049S | Injury of visual cortex, unspecified side, sequela | ✓ |
| S04.049S | Injury of visual cortex, unspecified side, sequela | ✓ |
| S04.50 | Injury of facial nerve, unspecified side | — |
| S04.50 | Injury of facial nerve, unspecified side | — |
| S04.50XA | Injury of facial nerve, unspecified side, initial encounter | ✓ |
| S04.50XA | Injury of facial nerve, unspecified side, initial encounter | ✓ |
| S04.50XD | Injury of facial nerve, unspecified side, subsequent encounter | ✓ |
| S04.50XD | Injury of facial nerve, unspecified side, subsequent encounter | ✓ |
| S04.50XS | Injury of facial nerve, unspecified side, sequela | ✓ |
| S04.50XS | Injury of facial nerve, unspecified side, sequela | ✓ |
| S04.51 | Injury of facial nerve, right side | — |
| S04.51 | Injury of facial nerve, right side | — |
| S04.51XA | Injury of facial nerve, right side, initial encounter | ✓ |
| S04.51XA | Injury of facial nerve, right side, initial encounter | ✓ |
| S04.51XD | Injury of facial nerve, right side, subsequent encounter | ✓ |
| S04.51XD | Injury of facial nerve, right side, subsequent encounter | ✓ |
| S04.51XS | Injury of facial nerve, right side, sequela | ✓ |
| S04.51XS | Injury of facial nerve, right side, sequela | ✓ |
| S04.52 | Injury of facial nerve, left side | — |
| S04.52 | Injury of facial nerve, left side | — |
| S04.52XA | Injury of facial nerve, left side, initial encounter | ✓ |
| S04.52XA | Injury of facial nerve, left side, initial encounter | ✓ |
| S04.52XD | Injury of facial nerve, left side, subsequent encounter | ✓ |
| S04.52XD | Injury of facial nerve, left side, subsequent encounter | ✓ |
| S04.52XS | Injury of facial nerve, left side, sequela | ✓ |
| S04.52XS | Injury of facial nerve, left side, sequela | ✓ |
| S04.60 | Injury of acoustic nerve, unspecified side | — |
| S04.60 | Injury of acoustic nerve, unspecified side | — |
| S04.60XA | Injury of acoustic nerve, unspecified side, initial encounter | ✓ |
| S04.60XA | Injury of acoustic nerve, unspecified side, initial encounter | ✓ |
| S04.60XD | Injury of acoustic nerve, unspecified side, subsequent encounter | ✓ |
| S04.60XD | Injury of acoustic nerve, unspecified side, subsequent encounter | ✓ |
| S04.60XS | Injury of acoustic nerve, unspecified side, sequela | ✓ |
| S04.60XS | Injury of acoustic nerve, unspecified side, sequela | ✓ |
| S04.61 | Injury of acoustic nerve, right side | — |
| S04.61 | Injury of acoustic nerve, right side | — |
| S04.61XA | Injury of acoustic nerve, right side, initial encounter | ✓ |
| S04.61XA | Injury of acoustic nerve, right side, initial encounter | ✓ |
| S04.61XD | Injury of acoustic nerve, right side, subsequent encounter | ✓ |
| S04.61XD | Injury of acoustic nerve, right side, subsequent encounter | ✓ |
| S04.61XS | Injury of acoustic nerve, right side, sequela | ✓ |
| S04.61XS | Injury of acoustic nerve, right side, sequela | ✓ |
| S04.62 | Injury of acoustic nerve, left side | — |
| S04.62 | Injury of acoustic nerve, left side | — |
| S04.62XA | Injury of acoustic nerve, left side, initial encounter | ✓ |
| S04.62XA | Injury of acoustic nerve, left side, initial encounter | ✓ |
| S04.62XD | Injury of acoustic nerve, left side, subsequent encounter | ✓ |
| S04.62XD | Injury of acoustic nerve, left side, subsequent encounter | ✓ |
| S04.62XS | Injury of acoustic nerve, left side, sequela | ✓ |
| S04.62XS | Injury of acoustic nerve, left side, sequela | ✓ |
| S04.70 | Injury of accessory nerve, unspecified side | — |
| S04.70 | Injury of accessory nerve, unspecified side | — |
| S04.70XA | Injury of accessory nerve, unspecified side, initial encounter | ✓ |
| S04.70XA | Injury of accessory nerve, unspecified side, initial encounter | ✓ |
| S04.70XD | Injury of accessory nerve, unspecified side, subsequent encounter | ✓ |
| S04.70XD | Injury of accessory nerve, unspecified side, subsequent encounter | ✓ |
| S04.70XS | Injury of accessory nerve, unspecified side, sequela | ✓ |
| S04.70XS | Injury of accessory nerve, unspecified side, sequela | ✓ |
| S04.71 | Injury of accessory nerve, right side | — |
| S04.71 | Injury of accessory nerve, right side | — |
| S04.71XA | Injury of accessory nerve, right side, initial encounter | ✓ |
| S04.71XA | Injury of accessory nerve, right side, initial encounter | ✓ |
| S04.71XD | Injury of accessory nerve, right side, subsequent encounter | ✓ |
| S04.71XD | Injury of accessory nerve, right side, subsequent encounter | ✓ |
| S04.71XS | Injury of accessory nerve, right side, sequela | ✓ |
| S04.71XS | Injury of accessory nerve, right side, sequela | ✓ |
| S04.72 | Injury of accessory nerve, left side | — |
| S04.72 | Injury of accessory nerve, left side | — |
| S04.72XA | Injury of accessory nerve, left side, initial encounter | ✓ |
| S04.72XA | Injury of accessory nerve, left side, initial encounter | ✓ |
| S04.72XD | Injury of accessory nerve, left side, subsequent encounter | ✓ |
| S04.72XD | Injury of accessory nerve, left side, subsequent encounter | ✓ |
| S04.72XS | Injury of accessory nerve, left side, sequela | ✓ |
| S04.72XS | Injury of accessory nerve, left side, sequela | ✓ |
| S04.81 | Injury of olfactory [1st ] nerve | — |
| S04.81 | Injury of olfactory [1st ] nerve | — |
| S04.89 | Injury of other cranial nerves | — |
| S04.89 | Injury of other cranial nerves | — |
| S04.811 | Injury of olfactory [1st ] nerve, right side | — |
| S04.811 | Injury of olfactory [1st ] nerve, right side | — |
| S04.811A | Injury of olfactory [1st ] nerve, right side, initial encounter | ✓ |
| S04.811A | Injury of olfactory [1st ] nerve, right side, initial encounter | ✓ |
| S04.811D | Injury of olfactory [1st ] nerve, right side, subsequent encounter | ✓ |
| S04.811D | Injury of olfactory [1st ] nerve, right side, subsequent encounter | ✓ |
| S04.811S | Injury of olfactory [1st ] nerve, right side, sequela | ✓ |
| S04.811S | Injury of olfactory [1st ] nerve, right side, sequela | ✓ |
| S04.812 | Injury of olfactory [1st ] nerve, left side | — |
| S04.812 | Injury of olfactory [1st ] nerve, left side | — |
| S04.812A | Injury of olfactory [1st ] nerve, left side, initial encounter | ✓ |
| S04.812A | Injury of olfactory [1st ] nerve, left side, initial encounter | ✓ |
| S04.812D | Injury of olfactory [1st ] nerve, left side, subsequent encounter | ✓ |
| S04.812D | Injury of olfactory [1st ] nerve, left side, subsequent encounter | ✓ |
| S04.812S | Injury of olfactory [1st ] nerve, left side, sequela | ✓ |
| S04.812S | Injury of olfactory [1st ] nerve, left side, sequela | ✓ |
| S04.819 | Injury of olfactory [1st ] nerve, unspecified side | — |
| S04.819 | Injury of olfactory [1st ] nerve, unspecified side | — |
| S04.819A | Injury of olfactory [1st ] nerve, unspecified side, initial encounter | ✓ |
| S04.819A | Injury of olfactory [1st ] nerve, unspecified side, initial encounter | ✓ |
| S04.819D | Injury of olfactory [1st ] nerve, unspecified side, subsequent encounter | ✓ |
| S04.819D | Injury of olfactory [1st ] nerve, unspecified side, subsequent encounter | ✓ |
| S04.819S | Injury of olfactory [1st ] nerve, unspecified side, sequela | ✓ |
| S04.819S | Injury of olfactory [1st ] nerve, unspecified side, sequela | ✓ |
| S04.891 | Injury of other cranial nerves, right side | — |
| S04.891 | Injury of other cranial nerves, right side | — |
| S04.891A | Injury of other cranial nerves, right side, initial encounter | ✓ |
| S04.891A | Injury of other cranial nerves, right side, initial encounter | ✓ |
| S04.891D | Injury of other cranial nerves, right side, subsequent encounter | ✓ |
| S04.891D | Injury of other cranial nerves, right side, subsequent encounter | ✓ |
| S04.891S | Injury of other cranial nerves, right side, sequela | ✓ |
| S04.891S | Injury of other cranial nerves, right side, sequela | ✓ |
| S04.892 | Injury of other cranial nerves, left side | — |
| S04.892 | Injury of other cranial nerves, left side | — |
| S04.892A | Injury of other cranial nerves, left side, initial encounter | ✓ |
| S04.892A | Injury of other cranial nerves, left side, initial encounter | ✓ |
| S04.892D | Injury of other cranial nerves, left side, subsequent encounter | ✓ |
| S04.892D | Injury of other cranial nerves, left side, subsequent encounter | ✓ |
| S04.892S | Injury of other cranial nerves, left side, sequela | ✓ |
| S04.892S | Injury of other cranial nerves, left side, sequela | ✓ |
| S04.899 | Injury of other cranial nerves, unspecified side | — |
| S04.899 | Injury of other cranial nerves, unspecified side | — |
| S04.899A | Injury of other cranial nerves, unspecified side, initial encounter | ✓ |
| S04.899A | Injury of other cranial nerves, unspecified side, initial encounter | ✓ |
| S04.899D | Injury of other cranial nerves, unspecified side, subsequent encounter | ✓ |
| S04.899D | Injury of other cranial nerves, unspecified side, subsequent encounter | ✓ |
| S04.899S | Injury of other cranial nerves, unspecified side, sequela | ✓ |
| S04.899S | Injury of other cranial nerves, unspecified side, sequela | ✓ |
Frequently asked questions
What is ICD-10-CM code S04?
S04 is an ICD-10-CM category covering Injury of cranial nerve. It contains 332 more specific diagnosis codes, 228 of which are billable.
Is S04 a billable code?
No — S04 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example S04.0 — Injury of optic nerve and pathways). 228 of the 332 codes under S04 are billable.
What codes fall under S04?
S04 includes S04.0, S04.0, S04.01, S04.01, S04.1, plus 327 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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